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Gorky, Arshile

(Encyclopedia) Gorky, ArshileGorky, Arshileärˈshīl gôrˈkē [key], c.1900–48, American painter, b. Armenia as Vosdanig Adoian. He escaped the Turkish slaughter of Armenians, emigrated to the United…

hydrogen chloride

(Encyclopedia) hydrogen chloride, chemical compound, HCl, a colorless, poisonous gas with an unpleasant, acrid odor. It is very soluble in water and readily soluble in alcohol and ether. It fumes in…

hydrolysis

(Encyclopedia) hydrolysishydrolysishīdrŏlˈĭsĭs [key], chemical reaction of a compound with water, usually resulting in the formation of one or more new compounds. The most common hydrolysis occurs…

histidine

(Encyclopedia) CE5 histidinehistidinehĭsˈtĭdēn [key], organic compound, one of the 22 α-amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein.…

lamprey

(Encyclopedia) lamprey, name for several primitive marine and freshwater jawless fishes of the order Petromyzontiformes. As in the other jawless fish, the hagfish, the adult lamprey retains the…

flea

(Encyclopedia) flea, common name for any of the small, wingless insects of the order Siphonaptera. The adults of both sexes eat only blood and are all external parasites of mammals and birds. Fleas…

uric acid

(Encyclopedia) uric aciduric acidy&oobreve;rˈĭk [key], white, odorless, tasteless crystalline substance formed as a result of purine degradation in man, other primates, dalmatians, birds, snakes…

tyrosine

(Encyclopedia) CE5 tyrosinetyrosinetīˈrəsēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein. It is not…

serine

(Encyclopedia) CE5 serineserinesĕrˈēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein. It is not…

barbiturate

(Encyclopedia) barbituratebarbituratebärbĭchˈərātˌ [key], any one of a group of drugs that act as depressants on the central nervous system. High doses depress both nerve and muscle activity and…